Goblet cells located in the trachea produce ____
a. surfactant
b. insulin
c. mucus
d. amylase
c
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Fat absorption through the plasma membrane of epithelial cells ________
A) Is accomplished by cotransporters that use the concentration gradient of Na+ outside of the cells B) requires vesicular, active transport of the relatively large fatty acids and monoglyceride C) occurs by simple diffusion because lipids are able to penetrate the hydrophobic fatty acid tails within the plasma membrane D) requires enzymes attached to the brush border to further breakdown the fats
Which of the following muscles of facial expression is the only one that closes the eye when blinking?
A. Orbicularis oculi B. Orbicularis oris C. Mentalis D. Risorius E. Nasalis
When we imagine a person exhibiting the anatomical position, the palms of the hands are assumed to be facing:
A) backward. B) forward. C) down. D) to the side.
Which type of muscle tissue is voluntary and under conscious control?
A. Smooth B. Skeletal C. Cardiac D. All of the answers are correct